Blackhaw Viburnum Pollen Color, Bloom Season and Bee Forage

Visual guideBlackhaw Viburnum pollen

Photo: Cossey25 · CC BY-SA 4.0

Plant Facts

SeasonSpring to Summer

USDA Zone3 - 9

Plant TypeShrub

ForagePollen and nectar

Pollen ValueLow

Nectar ValueLow

Color FamilyOrange and amber

Scientific NameViburnum prunifolium

Common NamesBlackhaw viburnum, Blackhaw, Black haw

Native RegionsEastern and central United States

Range StatusNative to the eastern and central United States.

Color ConfidenceModerate

Color MethodA species-level pollen-library record describes the pollen as tan to green; two approximate swatches represent that reported range.

Reviewed2026-10-11

Quick Answer

Blackhaw Viburnum pollen is shown in this guide as an orange and amber tone. It is listed as shrub, associated with spring to summer bloom timing, USDA zone 3 - 9, and pollen and nectar forage value.

Pollen Color Notes

The visual color shown for Blackhaw Viburnum is grouped broadly with orange and amber pollen tones. It is intended for comparison and identification support, not as a laboratory measurement.

Pollen color is highly variable. Lighting, pollen age, moisture, collection method, cultivar, and local growing conditions can all change how pollen appears. Use this as general visual guidance, not a scientific color standard or guaranteed field match.

Bloom, Zone, and Forage Context

Blackhaw Viburnum is listed for spring to summer. The record lists USDA zone 3 - 9; hardiness zones are planning context, not a precise flowering calendar. Approximate bloom months in the supplemental notes: May, June.

Its forage type is pollen and nectar, with pollen value marked as low and nectar value marked as low. The clustered spring flowers provide modest pollen and nectar to a range of visiting insects.